git.sesse.net Git - vlc/blob - modules/control/http/macro.c

   1 /*****************************************************************************
   2  * macro.c : Custom <vlc> macro handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *          Christophe Massiot <massiot@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #include "http.h"
  27 #include "macros.h"
  28
  29 int E_(MacroParse)( macro_t *m, char *psz_src )
  30 {
  31     char *dup = strdup( (char *)psz_src );
  32     char *src = dup;
  33     char *p;
  34     int     i_skip;
  35
  36 #define EXTRACT( name, l ) \
  37         src += l;    \
  38         p = strchr( src, '"' );             \
  39         if( p )                             \
  40         {                                   \
  41             *p++ = '\0';                    \
  42         }                                   \
  43         m->name = strdup( src );            \
  44         if( !p )                            \
  45         {                                   \
  46             break;                          \
  47         }                                   \
  48         src = p;
  49
  50     /* init m */
  51     m->id = NULL;
  52     m->param1 = NULL;
  53     m->param2 = NULL;
  54
  55     /* parse */
  56     src += 4;
  57
  58     while( *src )
  59     {
  60         while( *src == ' ')
  61         {
  62             src++;
  63         }
  64         if( !strncmp( src, "id=\"", 4 ) )
  65         {
  66             EXTRACT( id, 4 );
  67         }
  68         else if( !strncmp( src, "param1=\"", 8 ) )
  69         {
  70             EXTRACT( param1, 8 );
  71         }
  72         else if( !strncmp( src, "param2=\"", 8 ) )
  73         {
  74             EXTRACT( param2, 8 );
  75         }
  76         else
  77         {
  78             break;
  79         }
  80     }
  81     if( strstr( src, "/>" ) )
  82     {
  83         src = strstr( src, "/>" ) + 2;
  84     }
  85     else
  86     {
  87         src += strlen( src );
  88     }
  89
  90     if( m->id == NULL )
  91     {
  92         m->id = strdup( "" );
  93     }
  94     if( m->param1 == NULL )
  95     {
  96         m->param1 = strdup( "" );
  97     }
  98     if( m->param2 == NULL )
  99     {
 100         m->param2 = strdup( "" );
 101     }
 102     i_skip = src - dup;
 103
 104     free( dup );
 105     return i_skip;
 106 #undef EXTRACT
 107 }
 108
 109 void E_(MacroClean)( macro_t *m )
 110 {
 111     free( m->id );
 112     free( m->param1 );
 113     free( m->param2 );
 114 }
 115
 116 int E_(StrToMacroType)( char *name )
 117 {
 118     int i;
 119
 120     if( !name || *name == '\0')
 121     {
 122         return MVLC_UNKNOWN;
 123     }
 124     for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ )
 125     {
 126         if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) )
 127         {
 128             return StrToMacroTypeTab[i].i_type;
 129         }
 130     }
 131     return MVLC_UNKNOWN;
 132 }
 133
 134 void E_(MacroDo)( httpd_file_sys_t *p_args,
 135                      macro_t *m,
 136                      char *p_request, int i_request,
 137                      char **pp_data,  int *pi_data,
 138                      char **pp_dst )
 139 {
 140     intf_thread_t  *p_intf = p_args->p_intf;
 141     intf_sys_t     *p_sys = p_args->p_intf->p_sys;
 142     char control[512];
 143
 144 #define ALLOC( l ) \
 145     {               \
 146         int __i__ = *pp_dst - *pp_data; \
 147         *pi_data += (l);                  \
 148         *pp_data = realloc( *pp_data, *pi_data );   \
 149         *pp_dst = (*pp_data) + __i__;   \
 150     }
 151 #define PRINT( str ) \
 152     ALLOC( strlen( str ) + 1 ); \
 153     *pp_dst += sprintf( *pp_dst, "%s", str );
 154
 155 #define PRINTS( str, s ) \
 156     ALLOC( strlen( str ) + strlen( s ) + 1 ); \
 157     { \
 158         char * psz_cur = *pp_dst; \
 159         *pp_dst += sprintf( *pp_dst, str, s ); \
 160         while( psz_cur && *psz_cur ) \
 161         {  \
 162             /* Prevent script injection */ \
 163             if( *psz_cur == '<' ) *psz_cur = '*'; \
 164             if( *psz_cur == '>' ) *psz_cur = '*'; \
 165             psz_cur++ ; \
 166         } \
 167     }
 168
 169     switch( E_(StrToMacroType)( m->id ) )
 170     {
 171         case MVLC_CONTROL:
 172             if( i_request <= 0 )
 173             {
 174                 break;
 175             }
 176             E_(ExtractURIValue)( p_request, "control", control, 512 );
 177             if( *m->param1 && !strstr( m->param1, control ) )
 178             {
 179                 msg_Warn( p_intf, "unauthorized control=%s", control );
 180                 break;
 181             }
 182             switch( E_(StrToMacroType)( control ) )
 183             {
 184                 case MVLC_PLAY:
 185                 {
 186                     int i_item;
 187                     char item[512];
 188
 189                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 190                     i_item = atoi( item );
 191                     /* id = 0 : simply ask playlist to play */
 192                     if( i_item == 0 )
 193                     {
 194                         playlist_Play( p_sys->p_playlist );
 195                         msg_Dbg( p_intf, "requested playlist play" );
 196                         break;
 197                     }
 198                     playlist_Control( p_sys->p_playlist, PLAYLIST_ITEMPLAY,
 199                                       playlist_ItemGetById( p_sys->p_playlist,
 200                                       i_item ) );
 201                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 202                     break;
 203                 }
 204                 case MVLC_STOP:
 205                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP );
 206                     msg_Dbg( p_intf, "requested playlist stop" );
 207                     break;
 208                 case MVLC_PAUSE:
 209                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE );
 210                     msg_Dbg( p_intf, "requested playlist pause" );
 211                     break;
 212                 case MVLC_NEXT:
 213                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, 1 );
 214                     msg_Dbg( p_intf, "requested playlist next" );
 215                     break;
 216                 case MVLC_PREVIOUS:
 217                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, -1 );
 218                     msg_Dbg( p_intf, "requested playlist previous" );
 219                     break;
 220                 case MVLC_FULLSCREEN:
 221                     if( p_sys->p_input )
 222                     {
 223                         vout_thread_t *p_vout;
 224                         p_vout = vlc_object_find( p_sys->p_input,
 225                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 226
 227                         if( p_vout )
 228                         {
 229                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 230                             vlc_object_release( p_vout );
 231                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 232                         }
 233                     }
 234                     break;
 235                 case MVLC_SEEK:
 236                 {
 237                     char value[30];
 238                     E_(ExtractURIValue)( p_request, "seek_value", value, 30 );
 239                     decode_URI( value );
 240                     E_(HandleSeek)( p_intf, value );
 241                     break;
 242                 }
 243                 case MVLC_VOLUME:
 244                 {
 245                     char vol[8];
 246                     audio_volume_t i_volume;
 247                     int i_value;
 248
 249                     E_(ExtractURIValue)( p_request, "value", vol, 8 );
 250                     aout_VolumeGet( p_intf, &i_volume );
 251                     decode_URI( vol );
 252
 253                     if( vol[0] == '+' )
 254                     {
 255                         i_value = atoi( vol + 1 );
 256                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 257                         {
 258                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 259                             msg_Dbg( p_intf, "requested volume set: max" );
 260                         }
 261                         else
 262                         {
 263                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 264                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 265                         }
 266                     }
 267                     else if( vol[0] == '-' )
 268                     {
 269                         i_value = atoi( vol + 1 );
 270                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 271                         {
 272                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 273                             msg_Dbg( p_intf, "requested volume set: min" );
 274                         }
 275                         else
 276                         {
 277                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 278                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 279                         }
 280                     }
 281                     else if( strstr(vol, "%") != NULL )
 282                     {
 283                         i_value = atoi( vol );
 284                         if( (i_value <= 400) && (i_value>=0) ){
 285                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 286                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 287                         }
 288                     }
 289                     else
 290                     {
 291                         i_value = atoi( vol );
 292                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 293                         {
 294                             aout_VolumeSet( p_intf , atoi( vol ) );
 295                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 296                         }
 297                     }
 298                     break;
 299                 }
 300
 301                 /* playlist management */
 302                 case MVLC_ADD:
 303                 {
 304                     char mrl[1024], psz_name[1024], tmp[1024];
 305                     char *p, *str;
 306                     playlist_item_t *p_item;
 307
 308                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 309                     decode_URI( tmp );
 310                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 311                     decode_URI( psz_name );
 312                     if( !*psz_name )
 313                     {
 314                         memcpy( psz_name, tmp, 1024 );
 315                     }
 316                     /* addslashes for backward compatibility with the old
 317                      * http intf */
 318                     p = mrl; str = tmp;
 319                     while( *str != '\0' )
 320                     {
 321                         if( *str == '"' || *str == '\'' || *str == '\\' )
 322                         {
 323                             *p++ = '\\';
 324                         }
 325                         *p++ = *str;
 326                         str++;
 327                     }
 328                     *p = '\0';
 329
 330                     p_item = E_(MRLParse)( p_intf, mrl, psz_name );
 331
 332                     if( !p_item || !p_item->input.psz_uri ||
 333                         !*p_item->input.psz_uri )
 334                     {
 335                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 336                     }
 337                     else
 338                     {
 339                         playlist_AddItem( p_sys->p_playlist, p_item,
 340                                           PLAYLIST_APPEND, PLAYLIST_END );
 341                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 342                     }
 343
 344                     break;
 345                 }
 346                 case MVLC_DEL:
 347                 {
 348                     int i_item, *p_items = NULL, i_nb_items = 0;
 349                     char item[512], *p_parser = p_request;
 350
 351                     /* Get the list of items to delete */
 352                     while( (p_parser =
 353                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 354                     {
 355                         if( !*item ) continue;
 356
 357                         i_item = atoi( item );
 358                         p_items = realloc( p_items, (i_nb_items + 1) *
 359                                            sizeof(int) );
 360                         p_items[i_nb_items] = i_item;
 361                         i_nb_items++;
 362                     }
 363
 364                     if( i_nb_items )
 365                     {
 366                         int i;
 367                         for( i = 0; i < i_nb_items; i++ )
 368                         {
 369                             playlist_LockDelete( p_sys->p_playlist, p_items[i] );
 370                             msg_Dbg( p_intf, "requested playlist delete: %d",
 371                                      p_items[i] );
 372                             p_items[i] = -1;
 373                         }
 374                     }
 375
 376                     if( p_items ) free( p_items );
 377                     break;
 378                 }
 379                 case MVLC_KEEP:
 380                 {
 381                     int i_item, *p_items = NULL, i_nb_items = 0;
 382                     char item[512], *p_parser = p_request;
 383                     int i,j;
 384
 385                     /* Get the list of items to keep */
 386                     while( (p_parser =
 387                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 388                     {
 389                         if( !*item ) continue;
 390
 391                         i_item = atoi( item );
 392                         p_items = realloc( p_items, (i_nb_items + 1) *
 393                                            sizeof(int) );
 394                         p_items[i_nb_items] = i_item;
 395                         i_nb_items++;
 396                     }
 397
 398                     for( i = p_sys->p_playlist->i_size - 1 ; i >= 0; i-- )
 399                     {
 400                         /* Check if the item is in the keep list */
 401                         for( j = 0 ; j < i_nb_items ; j++ )
 402                         {
 403                             if( p_items[j] ==
 404                                 p_sys->p_playlist->pp_items[i]->input.i_id ) break;
 405                         }
 406                         if( j == i_nb_items )
 407                         {
 408                             playlist_LockDelete( p_sys->p_playlist, p_sys->p_playlist->pp_items[i]->input.i_id );
 409                             msg_Dbg( p_intf, "requested playlist delete: %d",
 410                                      i );
 411                         }
 412                     }
 413
 414                     if( p_items ) free( p_items );
 415                     break;
 416                 }
 417                 case MVLC_EMPTY:
 418                 {
 419                     playlist_LockClear( p_sys->p_playlist );
 420                     msg_Dbg( p_intf, "requested playlist empty" );
 421                     break;
 422                 }
 423                 case MVLC_SORT:
 424                 {
 425                     char type[12];
 426                     char order[2];
 427                     char item[512];
 428                     int i_order;
 429                     int i_item;
 430
 431                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 432                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 433                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 434                     i_item = atoi( item );
 435
 436                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 437                     else i_order = ORDER_REVERSE;
 438
 439                     if( !strcmp( type , "title" ) )
 440                     {
 441                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 442                                                     p_sys->p_playlist->pp_views[0]->p_root,
 443                                                     SORT_TITLE_NODES_FIRST,
 444                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 445                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 446                     }
 447                     else if( !strcmp( type , "author" ) )
 448                     {
 449                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 450                                                     p_sys->p_playlist->pp_views[0]->p_root,
 451                                                     SORT_AUTHOR,
 452                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 453                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 454                     }
 455                     else if( !strcmp( type , "shuffle" ) )
 456                     {
 457                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 458                                                     p_sys->p_playlist->pp_views[0]->p_root,
 459                                                     SORT_RANDOM,
 460                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 461                         msg_Dbg( p_intf, "requested playlist shuffle");
 462                     }
 463
 464                     break;
 465                 }
 466                 case MVLC_MOVE:
 467                 {
 468                     char psz_pos[6];
 469                     char psz_newpos[6];
 470                     int i_pos;
 471                     int i_newpos;
 472                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 473                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 474                     i_pos = atoi( psz_pos );
 475                     i_newpos = atoi( psz_newpos );
 476                     if ( i_pos < i_newpos )
 477                     {
 478                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 479                     }
 480                     else
 481                     {
 482                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 483                     }
 484                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 485                     break;
 486                 }
 487
 488                 /* admin function */
 489                 case MVLC_CLOSE:
 490                 {
 491                     char id[512];
 492                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 493                     msg_Dbg( p_intf, "requested close id=%s", id );
 494 #if 0
 495                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 496                     {
 497                         msg_Warn( p_intf, "close failed for id=%s", id );
 498                     }
 499 #endif
 500                     break;
 501                 }
 502                 case MVLC_SHUTDOWN:
 503                 {
 504                     msg_Dbg( p_intf, "requested shutdown" );
 505                     p_intf->p_vlc->b_die = VLC_TRUE;
 506                     break;
 507                 }
 508                 /* vlm */
 509                 case MVLC_VLM_NEW:
 510                 case MVLC_VLM_SETUP:
 511                 {
 512                     static const char *vlm_properties[11] =
 513                     {
 514                         /* no args */
 515                         "enabled", "disabled", "loop", "unloop",
 516                         /* args required */
 517                         "input", "output", "option", "date", "period", "repeat", "append",
 518                     };
 519                     vlm_message_t *vlm_answer;
 520                     char name[512];
 521                     char *psz = malloc( strlen( p_request ) + 1000 );
 522                     char *p = psz;
 523                     char *vlm_error;
 524                     int i;
 525
 526                     if( p_intf->p_sys->p_vlm == NULL )
 527                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 528
 529                     if( p_intf->p_sys->p_vlm == NULL ) break;
 530
 531                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 532                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 533                     {
 534                         char type[20];
 535                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 536                         p += sprintf( psz, "new %s %s", name, type );
 537                     }
 538                     else
 539                     {
 540                         p += sprintf( psz, "setup %s", name );
 541                     }
 542                     /* Parse the request */
 543                     for( i = 0; i < 11; i++ )
 544                     {
 545                         char val[512];
 546                         E_(ExtractURIValue)( p_request,
 547                                                vlm_properties[i], val, 512 );
 548                         decode_URI( val );
 549                         if( strlen( val ) > 0 && i >= 4 )
 550                         {
 551                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 552                         }
 553                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 554                         {
 555                             p += sprintf( p, " %s", vlm_properties[i] );
 556                         }
 557                     }
 558                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 559                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 560                     {
 561                         vlm_error = strdup( "" );
 562                     }
 563                     else
 564                     {
 565                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 566                                             strlen(vlm_answer->psz_value) +
 567                                             strlen( " : ") + 1 );
 568                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 569                                                          vlm_answer->psz_value );
 570                     }
 571
 572                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 573
 574                     vlm_MessageDelete( vlm_answer );
 575                     free( vlm_error );
 576                     free( psz );
 577                     break;
 578                 }
 579
 580                 case MVLC_VLM_DEL:
 581                 {
 582                     vlm_message_t *vlm_answer;
 583                     char name[512];
 584                     char psz[512+10];
 585                     if( p_intf->p_sys->p_vlm == NULL )
 586                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 587
 588                     if( p_intf->p_sys->p_vlm == NULL ) break;
 589
 590                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 591                     sprintf( psz, "del %s", name );
 592
 593                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 594                     /* FIXME do a vlm_answer -> var stack conversion */
 595                     vlm_MessageDelete( vlm_answer );
 596                     break;
 597                 }
 598
 599                 case MVLC_VLM_PLAY:
 600                 case MVLC_VLM_PAUSE:
 601                 case MVLC_VLM_STOP:
 602                 case MVLC_VLM_SEEK:
 603                 {
 604                     vlm_message_t *vlm_answer;
 605                     char name[512];
 606                     char psz[512+10];
 607                     if( p_intf->p_sys->p_vlm == NULL )
 608                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 609
 610                     if( p_intf->p_sys->p_vlm == NULL ) break;
 611
 612                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 613                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 614                         sprintf( psz, "control %s play", name );
 615                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 616                         sprintf( psz, "control %s pause", name );
 617                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 618                         sprintf( psz, "control %s stop", name );
 619                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 620                     {
 621                         char percent[20];
 622                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 623                         sprintf( psz, "control %s seek %s", name, percent );
 624                     }
 625
 626                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 627                     /* FIXME do a vlm_answer -> var stack conversion */
 628                     vlm_MessageDelete( vlm_answer );
 629                     break;
 630                 }
 631                 case MVLC_VLM_LOAD:
 632                 case MVLC_VLM_SAVE:
 633                 {
 634                     vlm_message_t *vlm_answer;
 635                     char file[512];
 636                     char psz[512];
 637
 638                     if( p_intf->p_sys->p_vlm == NULL )
 639                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 640
 641                     if( p_intf->p_sys->p_vlm == NULL ) break;
 642
 643                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 644                     decode_URI( file );
 645
 646                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 647                         sprintf( psz, "load %s", file );
 648                     else
 649                         sprintf( psz, "save %s", file );
 650
 651                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 652                     /* FIXME do a vlm_answer -> var stack conversion */
 653                     vlm_MessageDelete( vlm_answer );
 654                     break;
 655                 }
 656
 657                 default:
 658                     if( *control )
 659                     {
 660                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 661                     }
 662                     break;
 663             }
 664             break;
 665
 666         case MVLC_SET:
 667         {
 668             char    value[512];
 669             int     i;
 670             float   f;
 671
 672             if( i_request <= 0 ||
 673                 *m->param1  == '\0' ||
 674                 strstr( p_request, m->param1 ) == NULL )
 675             {
 676                 break;
 677             }
 678             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 679             decode_URI( value );
 680
 681             switch( E_(StrToMacroType)( m->param2 ) )
 682             {
 683                 case MVLC_INT:
 684                     i = atoi( value );
 685                     config_PutInt( p_intf, m->param1, i );
 686                     break;
 687                 case MVLC_FLOAT:
 688                     f = atof( value );
 689                     config_PutFloat( p_intf, m->param1, f );
 690                     break;
 691                 case MVLC_STRING:
 692                     config_PutPsz( p_intf, m->param1, value );
 693                     break;
 694                 default:
 695                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 696             }
 697             break;
 698         }
 699         case MVLC_GET:
 700         {
 701             char    value[512];
 702             int     i;
 703             float   f;
 704             char    *psz;
 705             lldiv_t div;
 706
 707             if( *m->param1  == '\0' )
 708             {
 709                 break;
 710             }
 711
 712             switch( E_(StrToMacroType)( m->param2 ) )
 713             {
 714                 case MVLC_INT:
 715                     i = config_GetInt( p_intf, m->param1 );
 716                     sprintf( value, "%d", i );
 717                     break;
 718                 case MVLC_FLOAT:
 719                     f = config_GetFloat( p_intf, m->param1 );
 720                     div = lldiv( f * 1000000 , 1000000 );
 721                     sprintf( value, I64Fd".%06u", div.quot,
 722                             (unsigned int)div.rem );
 723                     break;
 724                 case MVLC_STRING:
 725                     psz = config_GetPsz( p_intf, m->param1 );
 726                     if( psz != NULL )
 727                     {
 728                         strncpy( value, psz,sizeof( value ) );
 729                         free( psz );
 730                         value[sizeof( value ) - 1] = '\0';
 731                     }
 732                     else
 733                         *value = '\0';
 734                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 735                     break;
 736                 default:
 737                     snprintf( value, sizeof( value ),
 738                               "invalid type(%s) in set", m->param2 );
 739                     value[sizeof( value ) - 1] = '\0';
 740                     break;
 741             }
 742             PRINTS( "%s", value );
 743             break;
 744         }
 745         case MVLC_VALUE:
 746         {
 747             char *s, *v;
 748
 749             if( m->param1 )
 750             {
 751                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 752                 s = E_(SSPop)( &p_args->stack );
 753                 v = E_(mvar_GetValue)( p_args->vars, s );
 754             }
 755             else
 756             {
 757                 v = s = E_(SSPop)( &p_args->stack );
 758             }
 759
 760             PRINTS( "%s", v );
 761             free( s );
 762             break;
 763         }
 764         case MVLC_RPN:
 765             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 766             break;
 767
 768         /* Useful to learn stack management */
 769         case MVLC_STACK:
 770         {
 771             int i;
 772             msg_Dbg( p_intf, "stack" );
 773             for (i=0;i<(&p_args->stack)->i_stack;i++)
 774                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 775             break;
 776         }
 777
 778         case MVLC_UNKNOWN:
 779         default:
 780             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 781             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 782             break;
 783     }
 784 #undef PRINTS
 785 #undef PRINT
 786 #undef ALLOC
 787 }
 788
 789 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 790 {
 791     int     i_id;
 792     int     i_level = 0;
 793
 794     while( src < end )
 795     {
 796         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 797         {
 798             int i_skip;
 799             macro_t m;
 800
 801             i_skip = E_(MacroParse)( &m, src );
 802
 803             i_id = E_(StrToMacroType)( m.id );
 804
 805             switch( i_id )
 806             {
 807                 case MVLC_IF:
 808                 case MVLC_FOREACH:
 809                     i_level++;
 810                     break;
 811                 case MVLC_END:
 812                     i_level--;
 813                     break;
 814                 default:
 815                     break;
 816             }
 817
 818             E_(MacroClean)( &m );
 819
 820             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 821                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 822             {
 823                 return src + ( b_after ? i_skip : 0 );
 824             }
 825             else if( i_level < 0 )
 826             {
 827                 return NULL;
 828             }
 829
 830             src += i_skip;
 831         }
 832         else
 833         {
 834             src++;
 835         }
 836     }
 837
 838     return NULL;
 839 }
 840
 841 void E_(Execute)( httpd_file_sys_t *p_args,
 842                      char *p_request, int i_request,
 843                      char **pp_data, int *pi_data,
 844                      char **pp_dst,
 845                      char *_src, char *_end )
 846 {
 847     intf_thread_t  *p_intf = p_args->p_intf;
 848
 849     char *src, *dup, *end;
 850     char *dst = *pp_dst;
 851
 852     src = dup = malloc( _end - _src + 1 );
 853     end = src +( _end - _src );
 854
 855     memcpy( src, _src, _end - _src );
 856     *end = '\0';
 857
 858     /* we parse searching <vlc */
 859     while( src < end )
 860     {
 861         char *p;
 862         int i_copy;
 863
 864         p = (char *)strstr( (char *)src, "<vlc" );
 865         if( p < end && p == src )
 866         {
 867             macro_t m;
 868
 869             src += E_(MacroParse)( &m, src );
 870
 871             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 872
 873             switch( E_(StrToMacroType)( m.id ) )
 874             {
 875                 case MVLC_INCLUDE:
 876                 {
 877                     FILE *f;
 878                     int  i_buffer;
 879                     char *p_buffer;
 880                     char psz_file[MAX_DIR_SIZE];
 881                     char *p;
 882                     char sep;
 883
 884 #if defined( WIN32 )
 885                     sep = '\\';
 886 #else
 887                     sep = '/';
 888 #endif
 889
 890                     if( m.param1[0] != sep )
 891                     {
 892                         strcpy( psz_file, p_args->file );
 893                         p = strrchr( psz_file, sep );
 894                         if( p != NULL )
 895                             strcpy( p + 1, m.param1 );
 896                         else
 897                             strcpy( psz_file, m.param1 );
 898                     }
 899                     else
 900                     {
 901                         strcpy( psz_file, m.param1 );
 902                     }
 903
 904                     /* We hereby assume that psz_file is in the
 905                      * local character encoding */
 906                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 907                     {
 908                         msg_Warn( p_args->p_intf,
 909                                   "unable to include file %s (%s)",
 910                                   psz_file, strerror(errno) );
 911                         break;
 912                     }
 913
 914                     /* first we load in a temporary buffer */
 915                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 916
 917                     /* we parse executing all  <vlc /> macros */
 918                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 919                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 920                     free( p_buffer );
 921                     fclose(f);
 922                     break;
 923                 }
 924                 case MVLC_IF:
 925                 {
 926                     vlc_bool_t i_test;
 927                     char    *endif;
 928
 929                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 930                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 931                     {
 932                         i_test = 1;
 933                     }
 934                     else
 935                     {
 936                         i_test = 0;
 937                     }
 938                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 939
 940                     if( i_test == 0 )
 941                     {
 942                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 943
 944                         if( start )
 945                         {
 946                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 947                             if( stop )
 948                             {
 949                                 E_(Execute)( p_args, p_request, i_request,
 950                                          pp_data, pi_data, &dst, start, stop );
 951                             }
 952                         }
 953                     }
 954                     else if( i_test == 1 )
 955                     {
 956                         char *stop;
 957                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 958                         {
 959                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 960                         }
 961                         if( stop )
 962                         {
 963                             E_(Execute)( p_args, p_request, i_request,
 964                                      pp_data, pi_data, &dst, src, stop );
 965                         }
 966                     }
 967
 968                     src = endif;
 969                     break;
 970                 }
 971                 case MVLC_FOREACH:
 972                 {
 973                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 974                     char *start = src;
 975                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 976
 977                     if( stop )
 978                     {
 979                         mvar_t *index;
 980                         int    i_idx;
 981                         mvar_t *v;
 982                         if( !strcmp( m.param2, "integer" ) )
 983                         {
 984                             char *arg = E_(SSPop)( &p_args->stack );
 985                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
 986                             free( arg );
 987                         }
 988                         else if( !strcmp( m.param2, "directory" ) )
 989                         {
 990                             char *arg = E_(SSPop)( &p_args->stack );
 991                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
 992                             free( arg );
 993                         }
 994                         else if( !strcmp( m.param2, "object" ) )
 995                         {
 996                             char *arg = E_(SSPop)( &p_args->stack );
 997                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
 998                             free( arg );
 999                         }
1000                         else if( !strcmp( m.param2, "playlist" ) )
1001                         {
1002                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1003                                                     p_intf->p_sys->p_playlist );
1004                         }
1005                         else if( !strcmp( m.param2, "information" ) )
1006                         {
1007                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1008                                                      p_intf->p_sys->p_input );
1009                         }
1010                         else if( !strcmp( m.param2, "program" )
1011                                   || !strcmp( m.param2, "title" )
1012                                   || !strcmp( m.param2, "chapter" )
1013                                   || !strcmp( m.param2, "audio-es" )
1014                                   || !strcmp( m.param2, "video-es" )
1015                                   || !strcmp( m.param2, "spu-es" ) )
1016                         {
1017                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1018                                                          p_intf->p_sys->p_input,
1019                                                          m.param2 );
1020                         }
1021                         else if( !strcmp( m.param2, "vlm" ) )
1022                         {
1023                             if( p_intf->p_sys->p_vlm == NULL )
1024                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1025                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1026                         }
1027 #if 0
1028                         else if( !strcmp( m.param2, "hosts" ) )
1029                         {
1030                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1031                         }
1032                         else if( !strcmp( m.param2, "urls" ) )
1033                         {
1034                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1035                         }
1036                         else if( !strcmp( m.param2, "connections" ) )
1037                         {
1038                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1039                         }
1040 #endif
1041                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1042                         {
1043                             index = E_(mvar_Duplicate)( v );
1044                         }
1045                         else
1046                         {
1047                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1048                             src = endfor;
1049                             break;
1050                         }
1051
1052                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1053                         {
1054                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1055
1056                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1057
1058                             free( f->name );
1059                             f->name = strdup( m.param1 );
1060
1061
1062                             E_(mvar_PushVar)( p_args->vars, f );
1063                             E_(Execute)( p_args, p_request, i_request,
1064                                      pp_data, pi_data, &dst, start, stop );
1065                             E_(mvar_RemoveVar)( p_args->vars, f );
1066
1067                             E_(mvar_Delete)( f );
1068                         }
1069                         E_(mvar_Delete)( index );
1070
1071                         src = endfor;
1072                     }
1073                     break;
1074                 }
1075                 default:
1076                     E_(MacroDo)( p_args, &m, p_request, i_request,
1077                                  pp_data, pi_data, &dst );
1078                     break;
1079             }
1080
1081             E_(MacroClean)( &m );
1082             continue;
1083         }
1084
1085         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1086         if( i_copy > 0 )
1087         {
1088             int i_index = dst - *pp_data;
1089
1090             *pi_data += i_copy;
1091             *pp_data = realloc( *pp_data, *pi_data );
1092             dst = (*pp_data) + i_index;
1093
1094             memcpy( dst, src, i_copy );
1095             dst += i_copy;
1096             src += i_copy;
1097         }
1098     }
1099
1100     *pp_dst = dst;
1101     free( dup );
1102 }